Keaney, B., & Lucas, B. (1994). Looking at language. Cambridge University Press.
Chicago Style aipamenaKeaney, Brian, and Bill Lucas. Looking at Language. Cambridge: Cambridge University Press, 1994.
MLA aipamenaKeaney, Brian, and Bill Lucas. Looking at Language. Cambridge University Press, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.